Stabilization of soil using chloride compounds
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Date
2015-06
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
Soil stabilization is the process of improving the geotechnical properties of soil. It is the process of altering the soil properties to improve its engineering performance. Generally there are two methods of soil stabilization mechanical and chemical stabilization. Chemical stabilization is a method of improving the engineering properties of soil by adding chemicals or other materials. There are various chemicals and agents that can be used for soil stabilization. Salts such as calcium chloride, sodium chloride, potassium chloride and magnesium chloride are commonly used to decrease volume change and increase density of stabilized system. In the present study attempts have been made to study the variation in geotechnical properties of soil mixed with chloride compounds in various percentages. Chloride compounds such as sodium chloride, calcium chloride, magnesium chloride and potassium chloride were used for the analysis. Chloride salts were procured from Balaji Scientific and chemicals supplier, Haldwani, Nainital. The soil was collected from the fields of Sitarganj,
U.S.Nagar for laboratory testing. The overall testing program was conducted in two phases. In the first phase, the geotechnical characteristics of soil were studied separately by conducting laboratory tests. In the second phase, soil mixed with 2%, 4% and 8% of chloride compounds were subjected to various tests like Standard proctor test, Atterberg limit analysis test, California bearing ratio test, Unconfined compressive strength test.
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